Climate and monthly weather forecastLorton, VA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Lorton, Virginia, with an average temperature fluctuating between 27°F (-2.8°C) and 40.6°F (4.8°C). January is the coldest month, exhibiting average temperatures of 40.6°F (4.8°C) at the peak and 27°F (-2.8°C) at the base. Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Lorton, Virginia, with temperature in the range of an average high of 45.3°F (7.4°C) and an average low of 29.5°F (-1.4°C). Lorton observes an average high-temperature of a frosty 45.3°F (7.4°C) in February, barely different from 40.6°F (4.8°C) in January. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Lorton, Virginia, with an average temperature fluctuating between 37°F (2.8°C) and 53.2°F (11.8°C). Lorton's March weather indicates a minor ascent in high-temperatures, adjusting from a frosty 45.3°F (7.4°C) in February to a fresh 53.2°F (11.8°C). Weather in March »Weather in April
April in Lorton, Virginia, is a comfortable spring month, with an average temperature ranging between max 65.5°F (18.6°C) and min 47.1°F (8.4°C). Noticing a change, the average high-temperature during April moves from March's fresh 53.2°F (11.8°C) to a comfortable 65.5°F (18.6°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Lorton, Virginia, with an average temperature varying between 56.3°F (13.5°C) and 75.2°F (24°C). May's arrival coincides with a temperature rise, moving from April's enjoyable 65.5°F (18.6°C) to a moderately hot 75.2°F (24°C). Weather in May »Weather in June
June, the first month of the summer in Lorton, is still a warm month, with an average temperature ranging between max 82.9°F (28.3°C) and min 63.5°F (17.5°C). The onset of June marks a slight increase in the average high-temperature, moving from 75.2°F (24°C) in May to a still moderately hot 82.9°F (28.3°C). Weather in June »Weather in July
July in Lorton, Virginia, is a hot summer month, with an average temperature varying between 88.2°F (31.2°C) and 68.5°F (20.3°C). July is the month when Lorton experiences its warmest temperatures, averaging a high of 88.2°F (31.2°C) and a low of 68.5°F (20.3°C). In July, the heat index is appraised at a very hot 100.4°F (38°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Lorton, Virginia, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 86°F (30°C). Lorton greets August with an average high-temperature of a still tropical 86°F (30°C), marking a slight deviation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Lorton, is still a warm month, with an average temperature ranging between min 61°F (16.1°C) and max 78.8°F (26°C). September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a hot 86°F (30°C) in August to a moderately hot 78.8°F (26°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Lorton, Virginia, with an average temperature fluctuating between 66.9°F (19.4°C) and 50.4°F (10.2°C). During the transition into October, Lorton observes a decrease in the average high-temperature, falling from a moderately hot 78.8°F (26°C) in September to an enjoyable 66.9°F (19.4°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Lorton, Virginia, with an average temperature fluctuating between 54.7°F (12.6°C) and 38.8°F (3.8°C). Lorton's weather changes with the onset of November, slightly falling from an enjoyable 66.9°F (19.4°C) in October to a fresh 54.7°F (12.6°C). Weather in November »Weather in December
December, the first month of the winter in Lorton, is also a frosty month, with an average temperature varying between 46.4°F (8°C) and 33.3°F (0.7°C). December signals a slight drop in average high-temperature, sliding from November's cool 54.7°F (12.6°C) to a frosty 46.4°F (8°C). Weather in December »Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the month when Lorton experiences its coldest temperatures, averaging a high of 40.6°F (4.8°C) and a low of 27°F (-2.8°C).
The month with the least rainfall in Lorton, Virginia, is January, when the rain falls for 8.3 days and typically collects 1.73" (44mm) of precipitation.
In Lorton, Virginia, during the entire year, the rain falls for 156.5 days and collects up to 30.83" (783mm) of precipitation.
January through April and December are months with snowfall.
January is the month with the most snowfall in Lorton, Virginia. Snow falls for 3.8 days and accumulates 3.23" (82mm) of snow.
In Lorton, during the entire year, snow falls for 12.7 days and aggregates up to 8.62" (219mm) of snow.
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February and December, with an average of 5.2h of sunshine, are months with the least sunshine in Lorton.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
In Lorton, snow does not fall in May through November.
The months with the highest UV index in Lorton, Virginia, are May through August, with an average maximum UV index of 6.
June has the longest days of the year in Lorton, with an average of 14h and 48min of daylight.
July is Lorton's warmest month, registering average high temperatures of 88.2°F (31.2°C) and lows of 68.5°F (20.3°C).
July is the least humid month in Lorton, with an average relative humidity of 71%.
July has the most sunshine of the year in Lorton, Virginia, with an average of 10.8h of sunshine.
The month with the most rainfall is August, when the rain falls for 17.8 days and typically aggregates up to 3.98" (101mm) of precipitation.
The months with the highest humidity in Lorton, Virginia, are October and December, with an average relative humidity of 77%.
With an average of 9h and 30min of daylight, December has the shortest days of the year in Lorton.
Average temperature
Lorton, VA
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (40.6°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure
Lorton, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Lorton, VA
- Average wind speed in January:
6.8mph - Average wind speed in February:
7mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.2mph - Average wind speed in May:
6mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.1mph - Average wind speed in November:
6.3mph - Average wind speed in December:
6.2mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Lorton, VA
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Lorton, VA
- Average rainfall in January:
1.73" - Average rainfall in February:
1.89" - Average rainfall in March:
2.05" - Average rainfall in April:
2.6" - Average rainfall in May:
3.15" - Average rainfall in June:
2.87"
- Average rainfall in July:
3.39" - Average rainfall in August:
3.98" - Average rainfall in September:
2.32" - Average rainfall in October:
2.4" - Average rainfall in November:
2.09" - Average rainfall in December:
2.36"
The wettest month (with the highest rainfall) is August (3.98").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days
Lorton, VA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
14.4 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
9.9 days
The months with the highest number of rainy days are May and August (17.8 days).
The month with the least rainy days is November (7.7 days).
Average snowfall
Lorton, VA
The month with the highest snowfall is January (3.23").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days
Lorton, VA
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
4.1 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
1.6 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Lorton, VA
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 18min - Average sunshine in February:
5h and 12min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days
Lorton, VA
- Average sunshine days in January:
18.9 days - Average sunshine days in February:
16 days - Average sunshine days in March:
16.4 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
10.4 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
19 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (10.4 days).
Average UV index
Lorton, VA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover
Lorton, VA
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Lorton, VA
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
